Year 1 Ten More, Ten Less (and One More, One Less) Worksheet — Getting Started — Answers
Answer sheet with worked solutions for the Year 1 place value worksheet.
Success TutoringWorksheetsAnswer sheetYear 1 · Mathematics · Place ValueYear 1 Ten More, Ten Less (and One More, One Less) Worksheet — Getting Started — Answers
Use place value: ten more or ten less changes the tens digit.
1.One more than 18 is (answer space).
Answer: 19
- 18 + 1 = 19
2.One more than 6 is (answer space).
Answer: 7
- 6 + 1 = 7
3.One less than 9 is (answer space).
Answer: 8
- 9 − 1 = 8
4.One more than 3 is (answer space).
Answer: 4
- 3 + 1 = 4
5.One less than 5 is (answer space).
Answer: 4
- 5 − 1 = 4
6.One more than 9 is (answer space).
Answer: 10
- 9 + 1 = 10
7.One less than 2 is (answer space).
Answer: 1
- 2 − 1 = 1
8.One more than 0 is (answer space).
Answer: 1
- 0 + 1 = 1
9.One more than 4 is (answer space).
Answer: 5
- 4 + 1 = 5
10.One less than 19 is (answer space).
Answer: 18
- 19 − 1 = 18
11.One less than 8 is (answer space).
Answer: 7
- 8 − 1 = 7
12.One more than 5 is (answer space).
Answer: 6
- 5 + 1 = 6
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
- Celebrate what went well first, then pick one thing to work on next.